/// <summary> Gets the geometry from string.
/// </summary>
/// <param name="text">The text.</param>
/// <returns></returns>
public static Geometry GetGeometry(string text)
{
if (String.IsNullOrEmpty(text))
{
return(null);
}
if (text.StartsWith(GeometryType.Path.ToString(), StringComparison.Ordinal))
{
string content = text.Substring(GeometryType.Path.ToString().Length + 1);
GeometryConverter conv = new GeometryConverter();
StreamGeometry streamGeometry = (StreamGeometry)conv.ConvertFrom(content);
PathGeometry geometry = streamGeometry.GetFlattenedPathGeometry();
return(geometry);
}
else if (text.StartsWith(GeometryType.Rectangle.ToString(), StringComparison.Ordinal))
{
string content = text.Substring(GeometryType.Rectangle.ToString().Length + 1);
string[] contents = content.Split(',');
RectangleGeometry geometry = new RectangleGeometry();
geometry.Rect = new Rect(Convert.ToDouble(contents[0], enUS),
Convert.ToDouble(contents[1], enUS),
Convert.ToDouble(contents[2], enUS),
Convert.ToDouble(contents[3], enUS)
);
return(geometry);
}
else if (text.StartsWith(GeometryType.Ellipse.ToString(), StringComparison.Ordinal))
{
string content = text.Substring(GeometryType.Ellipse.ToString().Length + 1);
string[] contents = content.Split(',');
EllipseGeometry geometry = new EllipseGeometry();
geometry.Center = new Point(Convert.ToDouble(contents[0], enUS) + Convert.ToDouble(contents[2], enUS) / 2.0, Convert.ToDouble(contents[1], enUS) + Convert.ToDouble(contents[3], enUS) / 2.0);
geometry.RadiusX = Convert.ToDouble(contents[2], enUS) / 2.0;
geometry.RadiusY = Convert.ToDouble(contents[3], enUS) / 2.0;
return(geometry);
}
else if (text.StartsWith("Text:", StringComparison.Ordinal))
{
string content = text.Substring("Text:".Length);
string[] contents = content.Split(',');
RectangleGeometry geometry = new RectangleGeometry();
geometry.Rect = new Rect(Convert.ToDouble(contents[0], enUS),
Convert.ToDouble(contents[1], enUS),
Convert.ToDouble(contents[2], enUS),
Convert.ToDouble(contents[3], enUS)
);
return(geometry);
}
else
{
throw new InvalidOperationException("This is not a valid geometry object in string");
}
}
private void SetUpPathPoints()
{
StreamGeometry streamGeo1 = (StreamGeometry)tempoPath.Data.Clone();
PathGeometry pg = streamGeo1.GetFlattenedPathGeometry();
PathFigure pf = pg.Figures[0];
PolyLineSegment pls = (PolyLineSegment)pf.Segments[0];
this.points = pls.Points;
//this.midPoint = points[points.Count / 2];
var midY = (Bottom.Y + Top.Y) / 2;
this.midPoint = Helpers.GetPointClosestToY(points, midY);
}
public Object Convert(Object value, Type targetType, Object parameter, CultureInfo culture)
{
if (value == null || value == DependencyProperty.UnsetValue)
{
return value;
}
var line = (MandlBrot.Line)value;
var points = line.Point;
var i = 0;
var newPath = new StreamGeometry();
using (var context = newPath.Open())
{
var begun = false;
for (i = 0; i < points.Count; i++)
{
var current = points[i];
if (!begun)
{
begun = true;
context.BeginFigure(current, true, false);
}
else
{
context.ArcTo(current, new Size(1, 1), 1, false, SweepDirection.Counterclockwise, true, true);
}
}
}
newPath.Freeze();
return newPath.GetFlattenedPathGeometry();
}
public static Telerik.Windows.Documents.Fixed.Model.Graphics.PathGeometry ConvertStreamGeometry(StreamGeometry streamGeometry)
{
PathGeometry pathGeometry = streamGeometry.GetFlattenedPathGeometry();
return(ConvertPathGeometry(pathGeometry));
}
